Sign In Register We're creating a new TED.com It's faster, it's mobile-friendly, it offers an enhanced video experience — and we'd love you to have early access. Switch to the new site No thanks, I'll wait Talks TED Conferences TED Conversations About TED Speakers TEDx Events TED Community TED Blog Playlists TED Prize TED-Ed TED Initiatives Translations TED Fellows Talks Kevin Slavin: How algorithms shape our world Filmed Jul 2011 • Posted Jul 2011 • TEDGlobal 2011 It appears that we are unable to play this video in your browser for one of the following reasons: you have JavaScript disabled your device does not support HTML5 video you have an old version of the Adobe Flash Player. Download the latest Flash player to view this video. If you are on a mobile device, you may be able to directly download the video to pl...